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Table A-1
<br /> Soil Vapor Extraction System Performance Data
<br /> ARCO Service Station#2093
<br /> 3425 Tracy Boulevard,Tracy,California
<br /> TPH as Gasoline Benzene
<br /> FID Influent Influent
<br /> Hour Meter Blower Average Concen- Removal Net Removed Concen- Removal Net Removed
<br /> Sample Date Reading Vacuum Flow Rate Influent Effluent tration Rate Removed to Date tration Rate Removed to Date
<br /> ID Sampled (hours) ("H2O) (scfm) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds)
<br /> INFL 08/18/99 12,510 60 90 10 0 19.2 0.7 13.6 3,391 ND 0.0 0.02 9.3
<br /> INFL 09/21/99 13,158 60 70 5 0 3.03 0.1 38.9 3,430 ND 0.0 0,00 9.3
<br /> INFL 10/05/99 13,492 60 75 15 0 16 0.5 24.0 3,454 NO 0.0 0.00 9.3
<br /> INFL 11/08/99 14,072 60 70 4 0 ND 0.0 1.6 3,456 ND 0.0 0.00 9.3
<br /> INFL 12/15/99 14,957 c 60 72 5 0 15.8 0.5 28.6 3,484 NO 0.0 0.00 9.3
<br /> [NFL 01/26/00 14,957 c 62 61 5 0 5.76 0.1 0.0 3,484 0.0 0.0 0.00 9.3
<br /> INFL 02/16/00 15,460 c 63 55 2 0 15.8 0.3 5.1 3,489 ND 0.0 0.01 9.3
<br /> INFL 03/15/00 15,461 c 60 47 6 0 8.03 0.2 0.0 3,489 0.1 0.0 0.00 9.3
<br /> INFL 04/26/00 16,469 c 50 80 5 0 6.24 0.2 7.4 3,497 NO 0.0 0.02 9.3
<br /> INFL 05/25/00 16,470 c 60 61 12 0 10.3 0.3 0.0 3,497 0.04 0.0 0.00 9.3
<br /> INFL 06/29/00 17,022 c 60 51 1 0 NO 0.0 2.9 3,500 ND 0.0 0.01 9.3
<br /> INFL 07/27/00 17,693 c 52 80 2 0 6.42 0.2 2.9 3,502 ND 0.0 0.00 9.3
<br /> INFL 08/28/00 17,693 c 50 90 80 0 160 5.7 0.0 3,502 2.84 0.1 0.00 9.3
<br /> INFL 09/29/00 18,462 c 55 71 9 0 12.6 0.4 97.5 3,600 0.10 0.0 1.31 10,6
<br /> INFL 10/23/00 18,462 c 45 78 18 0 21.1 0.7 0.0 3,600 ND 0.0 0.00 10.6
<br /> INFL 11/28/00 19,326 c 50 70 7 0 NO 0.0 11.8 3,612 ND 0.0 0.00 10.6
<br /> INFL 12/18/00 19,326 0 50 88 9 0 4.58 0.2 0.0 3,612 0.04 0.0 0.00 10.6
<br /> INFL 01/16/01 20,024 c 48 73 0 0 NO 0.0 2.4 3,614 ND 0.0 0.02 10.6
<br /> INFL 02/13/01 20,024 c 50 72 4 0 0.0 0.0 3,614 0.0 0,00 10.6
<br /> INFL 04/17/01 20,746 50 71 7 0 ND 0.0 0.0 3,614 ND 0.0 0.00 10.6
<br /> INFL 05/21/01 21,560 50 72 0 0 4.8 0.1 2.4 3,617 ND 0.0 0.00 10.6
<br /> INFL 06/25/01 21,560 a -- -- -- -- 0.0 0.0 3,617 -- 0.0 0.00 10.6
<br /> INFL 07/12/01 21,560 e - - 0.0 0.0 3,617 - 0.0 0.00 10.6
<br /> INFL 06/17/01 21,560 a 0.0 0.0 3,617 0.0 0.00 10.6
<br /> INFL 09/11/01 21,560 a 0.0 0.0 3,617 OA 0.00 10.6
<br /> INFL 10/15/01 21,560 e - - -- -• 0.0 0.0 3,617 0.0 0.00 10.6
<br /> INFL 11/16/01 21,560 a -- -- 0.0 0.0 3,617 -- 0.0 0.00 10.6
<br /> INFL 12/04/01 21,560 a 0.0 0.0 3,617 0.0 0.00 10.6
<br /> ARCO/2093/O&M/2093 O&M Tables4Q02 Page 2 of 3
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